Allow switch-to-lookup table for tables with holes by adding bitmask check

[oota-llvm.git] / Makefile.rules

diff --git a/Makefile.rules b/Makefile.rules
index 62428d1a722afce5d7f7a83350c996b11128b46f..01489a570f29e9ede618c308dbb08a3bcede0cc9 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -681,13 +681,13 @@ ifeq ($(HOST_OS),HP-UX)
   CompileCommonOpts := -D_REENTRANT -D_HPUX_SOURCE
 endif
 
-# If we are building a universal binary on Mac OS/X, pass extra options.  This
+# If we are building a universal binary on Mac OS X, pass extra options.  This
 # is useful to people that want to link the LLVM libraries into their universal
 # apps.
 #
 # The following can be optionally specified:
 #   UNIVERSAL_SDK_PATH variable can be specified as a path to the SDK to use.
-#      For Mac OS/X 10.4 Intel machines, the traditional one is:
+#      For Mac OS X 10.4 Intel machines, the traditional one is:
 #      UNIVERSAL_SDK_PATH=/Developer/SDKs/MacOSX10.4u.sdk/
 #   UNIVERSAL_ARCH can be optionally specified to be a list of architectures
 #      to build for, e.g. UNIVERSAL_ARCH="i386 ppc ppc64".  This defaults to
@@ -787,7 +787,7 @@ else
 Ranlib        = ranlib
 endif
 
-AliasTool     = ln -s
+AliasTool     = ln -sf
 
 #----------------------------------------------------------
 # Get the list of source files and compute object file
@@ -1151,15 +1151,19 @@ ifdef LIBRARYNAME
 
 # Make sure there isn't any extraneous whitespace on the LIBRARYNAME option
 LIBRARYNAME := $(strip $(LIBRARYNAME))
+LIBRARYALIASNAME := $(strip $(LIBRARYALIASNAME))
 ifdef LOADABLE_MODULE
 BaseLibName.A  := $(LIBRARYNAME).a
 BaseLibName.SO := $(LIBRARYNAME)$(SHLIBEXT)
+BaseAliasName.SO := $(LIBRARYALIASNAME)$(SHLIBEXT)
 else
 BaseLibName.A  := lib$(LIBRARYNAME).a
 BaseLibName.SO := $(SharedPrefix)$(LIBRARYNAME)$(SHLIBEXT)
+BaseAliasName.SO := $(SharedPrefix)$(LIBRARYALIASNAME)$(SHLIBEXT)
 endif
 LibName.A  := $(LibDir)/$(BaseLibName.A)
 LibName.SO := $(SharedLibDir)/$(BaseLibName.SO)
+AliasName.SO := $(SharedLibDir)/$(BaseAliasName.SO)
 LibName.O  := $(LibDir)/$(LIBRARYNAME).o
 
 #---------------------------------------------------------
@@ -1213,12 +1217,17 @@ else
 DestSharedLibDir := $(DESTDIR)$(PROJ_libdir)
 endif
 DestSharedLib := $(DestSharedLibDir)/$(BaseLibName.SO)
+DestSharedAlias := $(DestSharedLibDir)/$(BaseAliasName.SO)
 
 install-local:: $(DestSharedLib)
 
 $(DestSharedLib): $(LibName.SO) $(DestSharedLibDir)
        $(Echo) Installing $(BuildMode) Shared Library $(DestSharedLib)
        $(Verb) $(INSTALL) $(LibName.SO) $(DestSharedLib)
+ifdef SHARED_ALIAS
+       $(Echo) Creating alias from $(DestSharedLib) to $(DestSharedAlias)
+       $(Verb) $(AliasTool) $(DestSharedLib) $(DestSharedAlias)
+endif
 
 uninstall-local::
        $(Echo) Uninstalling $(BuildMode) Shared Library $(DestSharedLib)